Analysis

  • max time kernel
    156s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 13:21

General

  • Target

    c8b6cdc61f0434ad4184c82017b3b61e.exe

  • Size

    590KB

  • MD5

    c8b6cdc61f0434ad4184c82017b3b61e

  • SHA1

    d4788225dc46d5ea0e04fea397dc8b44bf91629c

  • SHA256

    650d6515a224637d65394be9f6a5790cf09ba5e0da0099b4c4b274b62beb008b

  • SHA512

    7d1c8fb8917809c68357e8fb6eafa6413671108798536f21072f8c463adaf96dc0a2e784e4749da677ea3d982ff5f2c1170dfd4922a9e8dbe87f2a640a0e6048

  • SSDEEP

    12288:dLqaFu1RWTjI+oK6jXso36wt9deuzGWaFwslMW0rwrsu:saFu1mj96Dsq6wt9d9ZaWoh3

Malware Config

Extracted

Family

fickerstealer

C2

80.87.192.115:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
    "C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
      "C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe"
      2⤵
        PID:3812

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\kaosdma.txt

      Filesize

      12B

      MD5

      8cf4dec152a9d79a3d62202b886eda9b

      SHA1

      0c1b3d3d02c0b655aa3526a58486b84872f18cc2

      SHA256

      c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

      SHA512

      a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    • memory/2264-1-0x0000000003400000-0x0000000003500000-memory.dmp

      Filesize

      1024KB

    • memory/2264-2-0x0000000004EA0000-0x0000000004EE7000-memory.dmp

      Filesize

      284KB

    • memory/3812-3-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3812-5-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3812-6-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB

    • memory/3812-12-0x0000000000400000-0x000000000044F000-memory.dmp

      Filesize

      316KB